1011001102 has 4 divisors (see below), whose sum is σ = 1516501656. Its totient is φ = 505500550.

The previous prime is 1011001091. The next prime is 1011001151. The reversal of 1011001102 is 2011001101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2011001101 = 53 ⋅37943417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252750274 + ... + 252750277.

It is an arithmetic number, because the mean of its divisors is an integer number (379125414).

Almost surely, 2^1011001102 is an apocalyptic number.

1011001102 is a deficient number, since it is larger than the sum of its proper divisors (505500554).

1011001102 is an equidigital number, since it uses as much as digits as its factorization.

1011001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505500553.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1011001102 is about 31796.2435202651. The cubic root of 1011001102 is about 1003.6536684489.

Adding to 1011001102 its reverse (2011001101), we get a palindrome (3022002203).

Subtracting 1011001102 from its reverse (2011001101), we obtain a palindrome (999999999).

The spelling of 1011001102 in words is "one billion, eleven million, one thousand, one hundred two".